14021215234 has 8 divisors (see below), whose sum is σ = 22649655420. Its totient is φ = 6471330096.

The previous prime is 14021215177. The next prime is 14021215237. The reversal of 14021215234 is 43251212041.

It can be written as a sum of positive squares in 2 ways, for example, as 13876133209 + 145082025 = 117797^2 + 12045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 14021215199 and 14021215208.

It is not an unprimeable number, because it can be changed into a prime (14021215237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269638729 + ... + 269638780.

Almost surely, 2^14021215234 is an apocalyptic number.

14021215234 is a deficient number, since it is larger than the sum of its proper divisors (8628440186).

14021215234 is a wasteful number, since it uses less digits than its factorization.

14021215234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539277524.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 14021215234 its reverse (43251212041), we get a palindrome (57272427275).

The spelling of 14021215234 in words is "fourteen billion, twenty-one million, two hundred fifteen thousand, two hundred thirty-four".